Retrolife and The Pawns Neighbors

doi:https://doi.org/10.4169/college.math.j.43.2.147

Article10.4169/college.math.j.43.2.147

Retrolife and The Pawns Neighbors

Yossi Elran-2012-02-10-College Mathematics Journal

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TL;DRAbstract

SummaryOne of Martin Gardner's most famous columns introduced John Conway's game of Life. The inverse problem, finding a previous generation in the Game of Life given some extra constraints, was introduced a few years ago and is referred to as Retrolife. In this paper we present a puzzle played on a chessboard that is isomorphic to a variation of Retrolife, in memory of Martin Gardner.

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SummaryOne of Martin Gardner's most famous columns introduced John Conway's game of Life. The inverse problem, finding a previous generation in the Game of Life given some extra constraints, was introduced a few years ago and is referred to as Retrolife. In this paper we present a puzzle played on a chessboard that is isomorphic to a variation of Retrolife, in memory of Martin Gardner.

Keywords

MathematicsCombinatoricsInverseVariation (astronomy)Mathematical economicsGeometry

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